Beginner2h 34m # UL Certification Course: Listing for Electronics Learn UL certification for electronics: NRTLs, UL Listed vs Recognized vs Classified, UL 62368-1, certification bodies and follow-up audits. UL certification is the gateway to the North American market. Almost every consumer electronics product sold through US and Canadian retail — from Amazon and Walmart to commercial distributors — requires certification by a Nationally Recognized Testing Laboratory. This course teaches the complete UL certification process for electronics engineers and hardware product teams: how the NRTL system works, which standard applies to your product, how to design for compliance before you go to the lab, how testing and factory inspection work, how to maintain your listing through Follow-Up Services, and how to add Canada in a single test campaign. The course covers the three UL marks (Listed, Recognized, Classified), how to choose between UL Solutions, ETL, CSA Group, and other NRTLs, UL 62368-1 Edition 4 (published July 2025) in depth, creepage/clearance and flammability design requirements, the full file-opening and testing process, Follow-Up Services and factory inspections, Canadian CSA/ULC requirements and the binational standard, labeling rules, product change management, realistic cost and timeline planning, and the most common UL test failure modes with fixes. Built on Krono's regulatory database — the same data that powers our free compliance roadmap tool for hardware startups across FCC, CE/EU, UL, CSA, and global markets. This course contains the use of artificial intelligence for asthetic purposes. * Includes the ebook edition, free * 7 downloadable resources included ## What you'll learn * Map your product to the correct UL standard — including UL 62368-1 Edition 4 * Design PCBs and enclosures for UL compliance from the first revision * Navigate the UL application, file opening, testing, and factory inspection process * Understand Follow-Up Services obligations and maintain your listing through product changes * Add Canadian CSA/ULC certification in a single test campaign using the binational standard * Apply UL marks correctly according to UL artwork and placement rules * Assess product changes for re-certification requirements before making them * Build a realistic UL certification budget and timeline for your product roadmap * Diagnose and fix the most common UL test failure modes ## Requirements * ·Basic electronics engineering background (schematics, PCB, power supplies) * ·No prior UL or safety certification knowledge required $149.00 One-time purchase · Lifetime access · No subscription Less than one hour with a compliance consultant. [First lesson free to preview: What UL Certification Really Is](#lesson-98b3c0a0-79a6-4eb6-8f90-80538812fc6e) * Understand the NRTL system and why UL certification is commercially mandatory even though it is legally voluntary * Identify which UL mark (Listed, Recognized, or Classified) applies to your product * Choose the right certification body for your product, budget, and timeline Includes the ebook edition, free — read it in your [library](/platform/books) after purchase. Enroll — $149.00 Secure checkout via Paddle Not what you expected? Contact us within 14 days. Built from a regulatory graph already at work 1,379 users this week 658 guides 323 product types 9 markets ## Course content 19 modules·154 min total Introduction — What UL Certification Really Is Preview7 min The North American Safety Standards Architecture 9 min The Three UL Marks — Listed, Recognized, and Classified 7 min Choosing Your Certification Body 6 min Key Standards for Consumer Electronics 10 min UL 62368-1 Edition 4 — The Dominant Standard 11 min Designing for UL Compliance 10 min The Application and File Opening Process 9 min Sample Submission and the Testing Process 9 min Factory Inspection and the Listing Decision 7 min Follow-Up Services — Maintaining Your Listing 9 min Canadian Requirements — CSA and the Binational Standard 9 min Labeling — How to Apply the Mark Correctly 9 min Product Changes and Re-certification 8 min Cost and Timeline Planning 7 min Building Your Application Package 8 min Common UL Test Failures and How to Fix Them 11 min Course Summary and Action Plan 8 min What's Next 0 min Enroll — $149.00 Need more than one? The **All-Access Krono Vault** unlocks every course and book for one payment, or put your whole team on it with **Krono Team Vault**. [See pricing](/pricing) Short on time? ### Rather hand it over than learn it? One consultant from Krono's compliance team takes your product from requirements to legal sale, with a fixed quote before any work starts. [See services](/services) ## You might also need [ ![CE Marking Course for Electronics Engineers](/posters/01-ce-marking-for-electronics-engineers.svg) ](/courses/01-ce-marking-for-electronics-engineers) Intermediate2h 28m [ ### CE Marking Course for Electronics Engineers ](/courses/01-ce-marking-for-electronics-engineers) Learn CE marking for electronics step by step: which directives apply (LVD, EMC, RED, RoHS), harmonised standards, testing, technical file and EU DoC. $149.00[View course →](/courses/01-ce-marking-for-electronics-engineers) [ ![FCC Certification Course for Hardware Startups](/posters/02-fcc-authorization-for-hardware-startups.svg) ](/courses/02-fcc-authorization-for-hardware-startups) Beginner1h 59m [ ### FCC Certification Course for Hardware Startups ](/courses/02-fcc-authorization-for-hardware-startups) Get your device FCC approved: Part 15 rules, SDoC vs Certification, TCBs and test labs, pre-certified RF modules, FCC ID labeling and common test failures. $149.00[View course →](/courses/02-fcc-authorization-for-hardware-startups) [ ![RoHS and REACH Compliance Training Course](/posters/06-rohs-reach-compliance-complete-guide.svg) ](/courses/06-rohs-reach-compliance-complete-guide) Beginner2h 4m [ ### RoHS and REACH Compliance Training Course ](/courses/06-rohs-reach-compliance-complete-guide) RoHS and REACH compliance training for electronics: the 10 restricted substances, limits, exemptions, REACH SVHCs, SCIP notifications and supplier declarations. $149.00[View course →](/courses/06-rohs-reach-compliance-complete-guide)